*{
    margin: 0;
    padding: 0;
    outline: none;
    box-sizing: border-box;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(-135deg,#c850c0,#4158d0);
}

.wrapper {
    width: 450px;
    background: #fff;
    padding: 30px;
    box-shadow:0px 0px 10px rgba(0,0,0,0.1) ;
}
.wrapper .input-data {
    height: 40px;
    width: 100%;
    position: relative;
}

.wrapper .input-data input {
    height: 100%;
    width: 100%;
    border: none;
    border-bottom: 2px solid silver;
    font-size: 17px;
}

.input-data input:focus~label,
.input-data input:valid~label {
    transform: translateY(-20px);
    font-size: 15px;
    color: #4158d0;
}
.wrapper .input-data label {
    position: absolute;
    bottom: 10px;
    left: 0;
    color: grey;
    pointer-events: none;
    transition: all 0.3s ease;
}

.wrapper .input-data .underline {
    position: absolute;
    bottom:0px;
    height: 2px;
    width: 100%;
    
}
.input-data .underline:before {
    position:absolute;
    content: '';
    height: 100%;
    width: 100%;
    background:#4158d0;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.input-data input:focus~.underline:before,
.input-data input:valid~.underline:before {
    transform: scaleX(1);
}
